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To help facilitate Arthur’s studies, Bessey purchased a rust collection from the herbarium of Moses A. Curtis. Arthur graduated from Iowa State in 1872. [5] In 1876, Arthur took a position as an instructor at Iowa State. He published his first paper that year, which was a catalog of the flowering plants of Iowa.
Bessey based his system on the tradition of de Candolle, Bentham and Hooker and Hallier. He was also influenced by Darwin and Wallace. He taught that taxonomy must be based on evolutionary principles. [2] Like Wettstein he placed the Ranales at the origin of Angiospermae.
Bust of Bessey created by Littleton Alston in 2009 for the Nebraska Hall of Fame.. His arrangement of flowering plants taxa, with focus on the evolutionary divergence of primitive forms, is considered by many as the system most likely to form the basis of a modern, comprehensive taxonomy of the plant kingdom.
Bessey, Charles Edwin; Webber, Herbert John (1890). Report of the botanist on the grasses and forage plants, and the catalogue of plants [of Nebraska]. p. 9; Kartesz, John T. (2010). "Asplenium". Biota of North America Program. Institute of Renewable Natural Resources (2012-01-25). Field Guide to Texas Grasses. Texas A&M University Press. p. 667.
Underwood published numerous papers in botanical journals, and was the author of Our Native Ferns and how to study them (Bloomington, Ill., 1881; 4th ed., 1893), Descriptive Catalogue of North American Hepaticae (New York, 1884) and “Hepaticae” in Gray's Manual of Botany.
Allis clamp. An Allis clamp (also called the Allis forceps) is a commonly used surgical instrument. It was invented by Oscar Allis. The Allis clamp is a surgical instrument with sharp teeth, used to hold or grasp heavy tissue. It is also used to grasp fascia and soft tissues such as breast or bowel tissue. [1]